removed support for display of deleted message ranges

src/widgets/meta-message.jsx

@@ -1,7 +1,6 @@
 // Message bubble with non-payload content, such as an indicator of deleted content or a date stamp.
 
 import React from 'react';
-import { FormattedMessage } from 'react-intl';
 
 export default class MetaMessage extends React.PureComponent {
   constructor(props) {
@@ -11,14 +10,7 @@ export default class MetaMessage extends React.PureComponent {
   render() {
     let content = null;
     let bubbleClass = 'bubble';
-    if (this.props.deleted) {
-      // Message represents a range of deleted messages.
-      content = <><i className="material-icons gray">block</i> <i className="gray">
-        <FormattedMessage id="deleted_content"
-          defaultMessage="content deleted" description="Shown when messages are deleted" />
-      </i></>
-      bubbleClass += ' deleted';
-    } else if (this.props.date) {
+    if (this.props.date) {
       // A date badge.
       content = <>{this.props.date}</>
       bubbleClass += ' date';